perf: Faster ABI encoding for MulticallClient by FrederikBolding · Pull Request #9057 · MetaMask/core

FrederikBolding · 2026-06-09T10:06:36Z

Explanation

Improve MulticallClient performance by speeding up ABI encoding for address types.

I've updated the test suite for new or updated code as appropriate
I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
I've communicated my changes to consumers by updating changelogs for packages I've changed
I've introduced breaking changes in this PR and have prepared draft pull requests for clients and consumer packages to resolve them

FrederikBolding · 2026-06-09T11:00:42Z

+
+const fastAbiCoder = new FastAbiCoder();
+
+function encodeFunctionData(


This should probably live somewhere else to be re-usable.

FrederikBolding added 3 commits June 9, 2026 12:05

perf: Faster ABI encoding for MulticallClient

736f3cb

Fix lint and add test

d67311a

Add cast

88ef433

FrederikBolding commented Jun 9, 2026

View reviewed changes


		const fastAbiCoder = new FastAbiCoder();

		function encodeFunctionData(